How do I get Price Alerts for flights from Colorado to Belfast Intl Airport?

Confirm your travel details to search for the latest offers for flights from Colorado to Belfast Intl Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Colorado to Belfast Intl Airport with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Colorado to Belfast Intl Airport?

Prices for flights from Colorado to Belfast Intl Airport refresh daily.

How old do you have to be to fly from Colorado to Belfast Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£277 Cheap Flights from Colorado to Belfast Intl Airport in 2026

Find the cheapest flights from Colorado to Belfast

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:40 - 15:15DEN Denver Intl-BFS Belfast Intl

15h 35m2 stops Reykjavik Keflavik Intl Manchester

06:15 - 20:17BFS Belfast Intl-DEN Denver Intl

21h 02m3 stops London Gatwick Zurich Toronto Pearson Intl

£757Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

16:40 - 15:15DEN Denver Intl-BFS Belfast Intl

15h 35m2 stops Reykjavik Keflavik Intl Manchester

05:55 - 20:17BFS Belfast Intl-DEN Denver Intl

21h 22m2 stops Edinburgh Turnhouse Toronto Pearson Intl

£789Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

16:40 - 20:40DEN Denver Intl-BFS Belfast Intl

21h 00m2 stops Reykjavik Keflavik Intl Glasgow Intl

08:15 - 20:17BFS Belfast Intl-DEN Denver Intl

43h 02m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£796Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

16:40 - 20:40DEN Denver Intl-BFS Belfast Intl

21h 00m2 stops Reykjavik Keflavik Intl Glasgow Intl

05:55 - 20:17BFS Belfast Intl-DEN Denver Intl

21h 22m2 stops Edinburgh Turnhouse Toronto Pearson Intl

£833Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

12:27 - 21:10DEN Denver Intl-BFS Belfast Intl

25h 43m3 stops Minneapolis St Paul Reykjavik Keflavik Intl Glasgow Intl

08:55 - 18:25BFS Belfast Intl-DEN Denver Intl

40h 30m3 stops London Luton Milan Malpensa Istanbul

£851Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

09:40 - 13:10DEN Denver Intl-BFS Belfast Intl

20h 30m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Birmingham

06:15 - 20:17BFS Belfast Intl-DEN Denver Intl

21h 02m3 stops London Gatwick Zurich Toronto Pearson Intl

£909Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

11:25 - 00:05DEN Denver Intl-BFS Belfast Intl

29h 40m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Malaga

21:50 - 10:22BFS Belfast Intl-DEN Denver Intl

43h 32m3 stops Manchester Cancun Toronto Pearson Intl

£978Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

16:40 - 19:40DEN Denver Intl-BFS Belfast Intl

20h 00m2 stops Reykjavik Keflavik Intl London Gatwick

21:35 - 18:25BFS Belfast Intl-DEN Denver Intl

27h 50m2 stops London Gatwick Istanbul

£1,337Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

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Use the filters below to find and compare flights from Colorado to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Tue 29/9

16:40-15:15

2 stops15h 35m

Belfast Intl

Tue 6/10

06:15-20:17

3 stops21h 02m

£757

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Tue 29/9

16:40-15:15

2 stops15h 35m

Belfast Intl

Tue 6/10

05:55-20:17

2 stops21h 22m

£789

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 7/9

16:40-20:40

2 stops21h 00m

Belfast Intl

Wed 16/9

08:15-20:17

3 stops43h 02m

£796

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 7/9

16:40-20:40

2 stops21h 00m

Belfast Intl

Wed 16/9

05:55-20:17

2 stops21h 22m

£833

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Wed 7/10

12:27-21:10

3 stops25h 43m

Belfast Intl

Wed 14/10

08:55-18:25

3 stops40h 30m

£851

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Tue 29/9

09:40-13:10

3 stops20h 30m

Belfast Intl

Tue 6/10

06:15-20:17

3 stops21h 02m

£909

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 7/9

11:25-00:05

3 stops29h 40m

Belfast Intl

Wed 16/9

21:50-10:22

3 stops43h 32m

£978

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Wed 7/10

16:40-19:40

2 stops20h 00m

Belfast Intl

Wed 14/10

21:35-18:25

2 stops27h 50m

£1,337

Cheapest one-way

Fastest single journey

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 27/9

16:40-21:00

2 stops21h 20m

£277

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 27/9

20:55-07:05

3 stops51h 10m

£302

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Colorado to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Belfast Intl Airport

Best price found	£277
Fastest flight time	13h 50m
Direct flights	None

The best one-way flight to Belfast Intl Airport from Colorado in the past 72 hours is £277. The best return flight deal from Colorado to Belfast Intl Airport found on momondo in the last 72 hours is £757.

The fastest flight from Colorado to Belfast Intl Airport takes 13h 50m

There are no direct flights from Colorado to Belfast Intl Airport. There are no popular flight routes from Colorado to Belfast Intl Airport.

Search flight deals

Frequently asked questions about flying from Colorado to Belfast Intl Airport

When did momondo last update prices for flights from Colorado to Belfast Intl Airport?
Prices for flights from Colorado to Belfast Intl Airport refresh daily.
How old do you have to be to fly from Colorado to Belfast Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Colorado to Belfast Intl Airport

How do I get Price Alerts for flights from Colorado to Belfast Intl Airport?
Confirm your travel details to search for the latest offers for flights from Colorado to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Colorado to Belfast Intl Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Ballymena

Newry

Armagh

Cookstown

Portadown

Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Belfast?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Belfast for you.

Can I find flights from Colorado to Belfast with flexible booking policies on momondo?

momondo does allow users to show only those flights to Belfast from Colorado which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Colorado to Belfast?

momondo provides multiple filters to help you find the best flight to Belfast from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Colorado and alert you when they change.